103
FNMY50 PGUM 211741
FWFGUM
FIRE WEATHER PLANNING FORECAST FOR GUAM
NATIONAL WEATHER SERVICE TIYAN GU
341 AM CHST FRI MAY 22 2026
DISCUSSION
0.19 INCHES OF RAIN FELL AT GUAM INTERNATIONAL AIRPORT YESTERDAY,
WHICH ALLOWED THE KBDI TO RISE TO 298. THIS REMAINS IN THE LOW
CATEGORY FOR FIRE DANGER. MOSTLY DRY WEATHER IS IN STORE FOR THE
NEXT COUPLE OF DAYS, LIKELY ALLOWING THE KBDI TO CONTINUE TO
INCREASE.
GUZ001-221745-
GUAM-
341 AM CHST FRI MAY 22 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE RAIN (%) 20 20 30
TEMP 87 77 88
RH % 73 100 73
20FTWND-VAL/AM(MPH) E 12 G20 E 11 G20
20FTWND-RDG/PM(MPH) E 13 G21 E 12 G20 E 12 G21
MIXING HGT(FT-MSL) 6013 1 5836
TRANSPORT WND (MPH) E 22 E 6 E 20
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 70S. EAST WINDS 10 TO
15 MPH.
SUNDAY
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS IN THE UPPER 80S. EAST WINDS 10 TO 20 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S. EAST WINDS 10 TO
15 MPH.
MONDAY
PARTLY SUNNY WITH CHANCE OF SHOWERS AND A SLIGHT CHANCE
OF THUNDERSTORMS. HIGHS IN THE MID 80S. EAST WINDS 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S. EAST WINDS 10 TO
15 MPH.
TUESDAY
SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS.
HIGHS IN THE MID 80S. SOUTHEAST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S. SOUTHEAST
WINDS 5 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY WITH CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S. SOUTHEAST WINDS
10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S. SOUTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY WITH CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 10 MPH.
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